/*
 * @Description: count组件
 * @Author: 姚泽毅
 * @Date: 2021-08-31 18:34:37
 * @LastEditTime: 2021-08-31 20:54:31
 */
import React, { Component } from 'react'
import store from '../../redux/store'
import { createIncrementAction, createDecrementAction, createIncrementAsyncAction } from "../../redux/count_action"
export default class Count extends Component {
    increment = () => {
        const { value } = this.selectNumber
        store.dispatch(createIncrementAction(value * 1))
    }
    decrement = () => {
        const { value } = this.selectNumber
        store.dispatch(createDecrementAction(value * 1))
    }
    incrementIfOdd = () => {
        const { value } = this.selectNumber
        if (store.getState() % 2 !== 0) {
            store.dispatch(createIncrementAction(value * 1))
        }
    }
    incrementAsync = () => {
        const { value } = this.selectNumber
        store.dispatch(createIncrementAsyncAction(value * 1, 500))
    }
    render() {
        return (
            <div>
                <h1>当前求和为：{store.getState()}</h1>
                <select ref={c => this.selectNumber = c}>
                    <option value="1">1</option>
                    <option value="2">2</option>
                    <option value="3">3</option>
                </select>&nbsp;&nbsp;
                <button onClick={this.increment}>+</button>&nbsp;&nbsp;
                <button onClick={this.decrement}>-</button>&nbsp;&nbsp;
                <button onClick={this.incrementIfOdd}>当前求和为奇数再加</button>&nbsp;&nbsp;
                <button onClick={this.incrementAsync}>异步加</button>
            </div>
        )
    }
}
